Home / 88,573,782.80-132,860,674.20-81,558,761.60

Finding the Fourth Proportional to 88,573,782.80, 132,860,674.20 and 81,558,761.60

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Solution

The fourth proportional to 88,573,782.80, 132,860,674.20 and 81,558,761.60 is: 122,338,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,782.80 : 132,860,674.20 = 81,558,761.60 : x
  2. Step 2: Convert to fraction form
    88,573,782.80/132,860,674.20 = 81,558,761.60/x
  3. Step 3: Cross multiply
    88,573,782.80x = 132,860,674.20 × 81,558,761.60
  4. Step 4: Simplify right side
    88,573,782.80x = 10,835,952,053,093,070
  5. Step 5: Solve for x
    x = 10,835,952,053,093,070/88,573,782.80
  6. Step 6: Final answer
    x = 122,338,142.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.